Utility knife



FIG. 1 is a top view of the knife of this invention;

FIG. 2 is a bottom view of the invention, which is essentially identical to the top view of FIG. 1;

FIG. 3 is a perspective top view of the invention;

FIG. 4 is an end view as seen from above in FIG. 1;

FIG. 5 is an end view as seen from below in FIG. 1;

FIG. 6 is a right-hand side view of the invention;

FIG. 7 is a left-hand side view of the invention, which is essentially identical to the view of FIG. 6;

FIG. 8 is an enlarged detail view of the center portion of the utility knife as shown in FIG. 1; and,

FIG. 9 is an enlarged detail view of the lower end of the utility knife as shown in FIG. 1.

The broken lines in FIGS. 8 and 9 portray boundaries that form no part of the claimed design. 

CLAIM The ornamental design for a utility knife, as shown and described. 